I don't know a specific issue with these versions, but in general you do not 
want to do ANY streaming operations (bootstrap or repair) between Cassandra 
versions. I would get all the nodes (in all DCs) to the same version and then 
try the bootstrap.


Sean Durity

From: Peng Xiao [mailto:2535...@qq.com]
Sent: Friday, September 22, 2017 3:56 AM
To: user <user@cassandra.apache.org>
Subject: Pending-range-calculator during bootstrapping

Dear All,

when we are bootstrapping a new node,we are experiencing high cpu load which 
affect the rt ,and we noticed that it's mainly costing on 
Pending-range-calculator ,this did not happen before.
We are using C* 2.1.13 in one DC,2.1.18 in another DC.
Could anyone please advise on this?

Thanks,
Peng Xiao

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